263826920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{32491}}^1$

素因数の和:32538

約数の個数: 64

約数和(自身を含む): 701827200

約数和(自身を除く): 438000280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 32491, 64982, 129964, 162455, 227437, 259928, 324910, 454874, 649820, 909748, 942239, 1137185, 1299640, 1819496, 1884478, 2274370, 3768956, 4548740, 4711195, 6595673, 7537912, 9097480, 9422390, 13191346, 18844780, 26382692, 32978365, 37689560, 52765384, 65956730, 131913460, 263826920]

約数ペア:

[(1, 263826920), (2, 131913460), (4, 65956730), (5, 52765384), (7, 37689560), (8, 32978365), (10, 26382692), (14, 18844780), (20, 13191346), (28, 9422390), (29, 9097480), (35, 7537912), (40, 6595673), (56, 4711195), (58, 4548740), (70, 3768956), (116, 2274370), (140, 1884478), (145, 1819496), (203, 1299640), (232, 1137185), (280, 942239), (290, 909748), (406, 649820), (580, 454874), (812, 324910), (1015, 259928), (1160, 227437), (1624, 162455), (2030, 129964), (4060, 64982), (8120, 32491)]